From 777c8028061695080ba3d5dd2130879bc69f0966 Mon Sep 17 00:00:00 2001
From: dxl <64101226@qq.com>
Date: Tue, 21 Jul 2020 11:44:41 +0800
Subject: [PATCH] some chinese comments removed

---
 .../cn/proxgrind/com/AbsUsbBulkTransfer.java  | 32 -------------------
 1 file changed, 32 deletions(-)

diff --git a/communication/src/main/java/cn/proxgrind/com/AbsUsbBulkTransfer.java b/communication/src/main/java/cn/proxgrind/com/AbsUsbBulkTransfer.java
index 0fb8ebe2..6e2fa9c2 100644
--- a/communication/src/main/java/cn/proxgrind/com/AbsUsbBulkTransfer.java
+++ b/communication/src/main/java/cn/proxgrind/com/AbsUsbBulkTransfer.java
@@ -28,37 +28,23 @@ public abstract class AbsUsbBulkTransfer implements DriverInterface<String, UsbM
 
     // Application context, is global. cant cache activity context!
     private Context mContext = ContextContentProvider.mContext;
-    //日志特征
     private static final String LOG_TAG = AbsUsbBulkTransfer.class.getSimpleName();
     private DevCallback<String> mCallback = null;
-    //广播接收器,在设备插入和移除时使用
     private BroadcastReceiver mReceiver;
-    //主页状态!
     private boolean isRegister = false;
-    //广播过滤器!
     private IntentFilter filter = new IntentFilter();
-    //缓存设备管理器
     private UsbManager mUsbManger = null;
-    //缓存插入的设备
     private UsbDevice mDevice = null;
-    //缓存设备链接（实际上等同于串口port）
     private UsbDeviceConnection mCon = null;
-    //USB接口
     private UsbInterface mUi = null;
-    //USB读端点
     private UsbEndpoint mEpIn = null;
-    //USB写端点
     private UsbEndpoint mEpOut = null;
-    // 流实现!
     private BulkOutputStream outputStream;
     private BulkInputStream inputStream;
 
-
-    //私有构造方法，避免被直接调用
     protected AbsUsbBulkTransfer() {
         final String act = getDeviceDiscoveryAction();
         final String name = getDeviceNameOnFound();
-        //建立意图过滤数组
         filter.addAction(UsbManager.ACTION_USB_ACCESSORY_ATTACHED);
         filter.addAction(UsbManager.ACTION_USB_DEVICE_ATTACHED);
         filter.addAction(UsbManager.ACTION_USB_DEVICE_DETACHED);
@@ -73,7 +59,6 @@ public abstract class AbsUsbBulkTransfer implements DriverInterface<String, UsbM
                     return;
                 }
                 switch (_action) {
-                    //在设备插入的时候初始化
                     case UsbManager.ACTION_USB_DEVICE_ATTACHED:
                         initAndCall(name);
                         break;
@@ -97,10 +82,8 @@ public abstract class AbsUsbBulkTransfer implements DriverInterface<String, UsbM
     private void register1() {
         unRegister();
         try {
-            //注册广播事件
             mContext.registerReceiver(mReceiver, filter);
             isRegister = true;
-            Log.d(LOG_TAG, "注册广播成功!");
         } catch (Exception ignored) {
         }
     }
@@ -108,7 +91,6 @@ public abstract class AbsUsbBulkTransfer implements DriverInterface<String, UsbM
     private void unRegister() {
         try {
             if (isRegister) {
-                //注册广播事件
                 mContext.unregisterReceiver(mReceiver);
                 isRegister = false;
             }
@@ -132,31 +114,22 @@ public abstract class AbsUsbBulkTransfer implements DriverInterface<String, UsbM
             Log.d(LOG_TAG, "USB管理器为空!");
             return false;
         }
-        //得到设备集
         HashMap<String, UsbDevice> _hmDevs = mUsbManger.getDeviceList();
         if (_hmDevs == null || _hmDevs.size() <= 0) return false;
         List<UsbDevice> _devs = new ArrayList<>(_hmDevs.values());
-        //判断插入的设备集是否存在设备
         if (_devs.size() <= 0) return false;
-        //判断是否是ACR122
         mDevice = _devs.get(0);
         if (mDevice == null) return false;
-        //判断设备厂商和设备型号
         if (isRawDevice(mDevice.getProductId(), mDevice.getVendorId())) {
             if (!mUsbManger.hasPermission(mDevice)) {
-                //如果没有权限，则需要申请!
                 mCon = mUsbManger.openDevice(mDevice);
-                //空链接，可能需要申请权限!
                 if (mCon == null) {
-                    //发送广播申请权限
                     PendingIntent intent = PendingIntent.getBroadcast(mContext, 0, new Intent(getDeviceDiscoveryAction()), 0);
                     Log.d(LOG_TAG, "trying get usb permission!");
                     mUsbManger.requestPermission(mDevice, intent);
-                    //当没有权限的时候应当直接返回
                     return false;
                 }
             } else {
-                //如果有权限，可以直接打开！
                 mCon = mUsbManger.openDevice(mDevice);
             }
         } else {
@@ -169,7 +142,6 @@ public abstract class AbsUsbBulkTransfer implements DriverInterface<String, UsbM
     @Override
     public void register(final DevCallback<String> callback) {
         mCallback = callback;
-        //初始化USB管理器资源
         mUsbManger = (UsbManager) mContext.getSystemService(Context.USB_SERVICE);
         // register driver
         register1();
@@ -181,7 +153,6 @@ public abstract class AbsUsbBulkTransfer implements DriverInterface<String, UsbM
             Log.e(LOG_TAG, "devices is null!");
             return false;
         }
-        //再一次判断设备正确性
         if (isRawDevice(mDevice.getProductId(), mDevice.getVendorId())) {
             for (int iIndex = 0; iIndex < mDevice.getInterfaceCount(); ++iIndex) {
                 UsbInterface tmpUi = mDevice.getInterface(iIndex);
@@ -200,11 +171,9 @@ public abstract class AbsUsbBulkTransfer implements DriverInterface<String, UsbM
                     return false;
                 }
             }
-            //端点初始化
             Log.d(LOG_TAG, "connect: Endpoint count: " + mUi.getEndpointCount());
             for (int i = 0; i < mUi.getEndpointCount(); ++i) {
                 UsbEndpoint _ue = mUi.getEndpoint(i);
-                //判断端点的类型
                 if (_ue.getType() == UsbConstants.USB_ENDPOINT_XFER_INT) {
                     Log.d(LOG_TAG, "connect: Found interrupt endpoint: " + i);
                     continue;
@@ -224,7 +193,6 @@ public abstract class AbsUsbBulkTransfer implements DriverInterface<String, UsbM
                 Log.d(LOG_TAG, "Invalid endpoint!");
                 return false;
             }
-            //全部链接初始化成功，返回TRUE告诉调用者可以开始尝试通信
             inputStream = new BulkInputStream(mCon, mEpIn);
             outputStream = new BulkOutputStream(mCon, mEpOut);
             return true;